No abstract available
MeSH terms
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Adolescent
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Adult
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Child
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Child, Preschool
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Hong Kong
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Humans
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Infant
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Infant, Newborn
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Skin Diseases, Infectious / epidemiology*
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Streptococcal Infections / epidemiology*
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Streptococcus pyogenes / isolation & purification*
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Tonsillitis / epidemiology*